11101220111103 has 8 divisors (see below), whose sum is σ = 15445175806848. Its totient is φ = 7079038911384.

The previous prime is 11101220111063. The next prime is 11101220111153. The reversal of 11101220111103 is 30111102210111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11101220111103 - 2⁴¹ = 8902196855551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101220111153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80443623925 + ... + 80443624062.

It is an arithmetic number, because the mean of its divisors is an integer number (1930646975856).

Almost surely, 2^{11101220111103} is an apocalyptic number.

11101220111103 is a deficient number, since it is larger than the sum of its proper divisors (4343955695745).

11101220111103 is a wasteful number, since it uses less digits than its factorization.

11101220111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160887248013.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 11101220111103 its reverse (30111102210111), we get a palindrome (41212322321214).

The spelling of 11101220111103 in words is "eleven trillion, one hundred one billion, two hundred twenty million, one hundred eleven thousand, one hundred three".